package com.allenkerr.config;

import java.util.Collections;
import java.util.List;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * 跨域配置
 */
@Configuration
public class CorsConfig {
  private CorsConfiguration buildConfig() {
    CorsConfiguration corsConfiguration = new CorsConfiguration();
    List<String> originList = Collections.singletonList("*");
    corsConfiguration.setAllowedOrigins(originList);
    corsConfiguration.addAllowedHeader("*");
    corsConfiguration.addAllowedMethod("*");
    return corsConfiguration;
  }

  @Bean
  public CorsFilter corsFilter() {
    UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
    source.registerCorsConfiguration("/**", buildConfig());
    return new CorsFilter(source);
  }
}